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David Alan Gilbert" , Eric Blake , Akihiko Odaki , Peter Xu , Paolo Bonzini , Kevin Wolf , Sana Sharma , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Juraj Marcin , qemu-rust@nongnu.org, Markus Armbruster , Mark Cave-Ayland Subject: [PATCH v2 07/10] qom: Add object_property_add_size_ptr() Date: Tue, 9 Jun 2026 13:25:11 -0400 Message-ID: <20260609172514.2037645-8-peterx@redhat.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260609172514.2037645-1-peterx@redhat.com> References: <20260609172514.2037645-1-peterx@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 60KwCdPvHkRjgirOv_gwx6DqUXAOLILHkxMbUK5OVZ0_1781025935 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Received-SPF: pass client-ip=170.10.133.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-rust@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: QEMU Rust-related patches and discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-rust-bounces+qemu-rust=archiver.kernel.org@nongnu.org Sender: qemu-rust-bounces+qemu-rust=archiver.kernel.org@nongnu.org Add a helper to set qom property via a size pointer. Signed-off-by: Peter Xu --- include/qom/object-property-ptr.h | 16 +++++++++++++ qom/object-property-ptr.c | 40 +++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/include/qom/object-property-ptr.h b/include/qom/object-property-ptr.h index 9cd8600094..be467c64af 100644 --- a/include/qom/object-property-ptr.h +++ b/include/qom/object-property-ptr.h @@ -115,4 +115,20 @@ ObjectProperty *object_class_property_add_uint64_ptr(ObjectClass *klass, const uint64_t *v, ObjectPropertyFlags flags); +/** + * object_property_add_size_ptr: + * @obj: the object to add a property to + * @name: the name of the property + * @v: pointer to value + * @flags: bitwise-or'd ObjectPropertyFlags + * + * Add a property of type 'size' to the object. + * + * Returns: The newly added property on success, or %NULL on failure. + */ +ObjectProperty * +object_property_add_size_ptr(Object *obj, const char *name, + const uint64_t *v, + ObjectPropertyFlags flags); + #endif diff --git a/qom/object-property-ptr.c b/qom/object-property-ptr.c index 49f223da7b..21ceb2510d 100644 --- a/qom/object-property-ptr.c +++ b/qom/object-property-ptr.c @@ -107,6 +107,26 @@ static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name, *field = value; } +static void property_get_size_ptr(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + uint64_t value = *(uint64_t *)opaque; + visit_type_size(v, name, &value, errp); +} + +static void property_set_size_ptr(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + uint64_t *field = opaque; + uint64_t value; + + if (!visit_type_size(v, name, &value, errp)) { + return; + } + + *field = value; +} + ObjectProperty * object_property_add_bool_ptr(Object *obj, const char *name, const bool *v, ObjectPropertyFlags flags) @@ -285,3 +305,23 @@ object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, return object_class_property_add(klass, name, "uint64", getter, setter, NULL, (void *)v); } + +ObjectProperty * +object_property_add_size_ptr(Object *obj, const char *name, + const uint64_t *v, + ObjectPropertyFlags flags) +{ + ObjectPropertyAccessor *getter = NULL; + ObjectPropertyAccessor *setter = NULL; + + if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { + getter = property_get_size_ptr; + } + + if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { + setter = property_set_size_ptr; + } + + return object_property_add(obj, name, "size", + getter, setter, NULL, (void *)v); +} -- 2.53.0